The data also highlights critical risks in other areas along the Guadalupe River in Kerr County, revealing more than twice as many Americans live in flood prone areas than FEMA's maps show.

Also: San Antonio mourned the victims in a Travis Park vigil; UTSA said one of its teachers died in the Guadalupe River flood; Kerrville officials said a privately owned drone collided with a helicopter conducting search and rescue operations.

With more than 170 still missing, communities must reconcile how to pick up the pieces around a waterway that remains both a wellspring and a looming menace.

Pamela Brown, CNN’s chief investigative correspondent, shared memories during a live broadcast in an off-the-cuff moment with an anchor.

The Guadalupe River flooded on Friday, July 4, impacting cities across Kerr County including Kerrville, Hunt, Ingram, and more, killing at least 27 people . At least 27 children remain missing from Camp Mystic, an all-girls summer camp in Hunt.

Rescue workers on Saturday continued their frantic search for survivors of the deadly and historic floods unleashed when the Guadalupe River burst from its banks in Kerr County on Friday. At least 24 people have died, and more than 20 girls from a private Christian summer camp were still missing.